DR. NATASHA THIVYA THIAGALINGAM DO
NPI 1043886476
Pediatrics in Chelmsford, MA

Q: What is Natasha Thiagalingam's NPI number?

The NPI number for Natasha Thiagalingam is 1043886476. It was assigned to this individual provider in the NPPES registry on May 27, 2021.

Q: What is Natasha Thiagalingam's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Active since May 27, 2021PECOS Enrolled

228 BILLERICA RD, CHELMSFORD, MA 01824(978) 250-6000 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 24, 2025, Jun 30, 2024, May 27, 2021 (3 updates tracked since 2021).

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About Dr. Natasha Thivya Thiagalingam Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NATASHA THIVYA THIAGALINGAM DO (NPI 1043886476) is an individual pediatrics provider in Chelmsford, Massachusetts, licensed in Massachusetts (1019398) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043886476

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. NATASHA THIVYA THIAGALINGAMCredential: DO

Location Address228 BILLERICA RDChelmsford, MA 01824-3604

Mailing Address228 Billerica RdChelmsford, MA 01824-3604 · (978) 250-6000

Phone(978) 250-6000

Sole ProprietorNo

Enumeration DateMay 27, 2021

Last NPPES UpdateJune 24, 20253 updates tracked since enumeration

NPPES CertifiedJune 24, 2025

✔ NPI 1043886476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · 1019398

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

228 BILLERICA RD, Chelmsford, MA 01824

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Natasha Thivya Thiagalingam Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01824 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. KIT YAN LEE

Physical Therapist

228 BILLERICA RD
CHELMSFORD, MA 01824

Middlesex County (978) 250-6045

NATALIE C. HOWARD CCC-SLP

Speech-Language Pathologist

228 BILLERICA RD
CHELMSFORD, MA 01824

Middlesex County (978) 250-6040

STEVEN A MORGENSTERN M.D.

Internal Medicine

228 BILLERICA RD, INTERNAL MEDICINE
CHELMSFORD, MA 01824

Middlesex County (978) 250-6100

CHANDRA RAMANATHAN M.D.

Pediatrics

228 BILLERICA RD
CHELMSFORD, MA 01824

Middlesex County (978) 250-6000

MEGAN PINETTE PSYD

Psychologist (Clinical)

228 BILLERICA RD
CHELMSFORD, MA 01824

Middlesex County (978) 250-6240

MRS. NICHOLE MARIE PERRIN APRN, FNP-C

Nurse Practitioner (Family)

228 BILLERICA RD
CHELMSFORD, MA 01824

Middlesex County (978) 250-6100

SONIA ALMEIDA PA

Physician Assistant

228 BILLERICA RD
CHELMSFORD, MA 01824

Middlesex County (603) 488-5154

CHERYL BRACKBILL PA-C

Physician Assistant

228 BILLERICA RD
CHELMSFORD, MA 01824

Middlesex County (978) 250-6200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Natasha Thiagalingam's NPI number?

The NPI number for Natasha Thiagalingam is 1043886476. It was assigned to this individual provider in the NPPES registry on May 27, 2021.

Where is Natasha Thiagalingam located?

Natasha Thiagalingam practices at 228 Billerica Rd, Chelmsford, MA 01824. The listed phone number is (978) 250-6000.

What is Natasha Thiagalingam's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Natasha Thiagalingam enrolled in Medicare?

Yes. Natasha Thiagalingam is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Natasha Thiagalingam was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.